/* Winsock2.h -- definitions to be used with the WinSock 2 DLL and
* WinSock 2 applications.
*
* This header file corresponds to version 2.2.x of the WinSock API
* specification.
*
* This file includes parts which are Copyright (c) 1982-1986 Regents
* of the University of California. All rights reserved. The
* Berkeley Software License Agreement specifies the terms and
* conditions for redistribution.
*/
#ifndef _WINSOCK2API_
#define _WINSOCK2API_
#define _WINSOCKAPI_ /* Prevent inclusion of winsock.h in windows.h */
/*
* Ensure structures are packed consistently.
*/
#include <pshpack4.h>
/*
* Default: include function prototypes, don't include function typedefs.
*/
#ifndef INCL_WINSOCK_API_PROTOTYPES
#define INCL_WINSOCK_API_PROTOTYPES 1
#endif
#ifndef INCL_WINSOCK_API_TYPEDEFS
#define INCL_WINSOCK_API_TYPEDEFS 0
#endif
/*
* Pull in WINDOWS.H if necessary
*/
#ifndef _INC_WINDOWS
#include <windows.h>
#endif /* _INC_WINDOWS */
/*
* Define the current Winsock version. To build an earlier Winsock version
* application redefine this value prior to including Winsock2.h.
*/
#if !defined(MAKEWORD)
#define MAKEWORD(low,high) \
((WORD)((BYTE)(low)) | (((WORD)(BYTE)(high))<<8)))
#endif
#ifndef WINSOCK_VERSION
#define WINSOCK_VERSION MAKEWORD(2,2)
#endif
/*
* Establish DLL function linkage if supported by the current build
* environment and not previously defined.
*/
#ifndef WINSOCK_API_LINKAGE
#ifdef DECLSPEC_IMPORT
#define WINSOCK_API_LINKAGE DECLSPEC_IMPORT
#else
#define WINSOCK_API_LINKAGE
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* Basic system type definitions, taken from the BSD file sys/types.h.
*/
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int u_int;
typedef unsigned long u_long;
/*
* The new type to be used in all
* instances which refer to sockets.
*/
typedef u_int SOCKET;
/*
* Select uses arrays of SOCKETs. These macros manipulate such
* arrays. FD_SETSIZE may be defined by the user before including
* this file, but the default here should be >= 64.
*
* CAVEAT IMPLEMENTOR and USER: THESE MACROS AND TYPES MUST BE
* INCLUDED IN WINSOCK2.H EXACTLY AS SHOWN HERE.
*/
#ifndef FD_SETSIZE
#define FD_SETSIZE 64
#endif /* FD_SETSIZE */
typedef struct fd_set {
u_int fd_count; /* how many are SET? */
SOCKET fd_array[FD_SETSIZE]; /* an array of SOCKETs */
} fd_set;
extern int PASCAL FAR __WSAFDIsSet(SOCKET, fd_set FAR *);
#define FD_CLR(fd, set) do { \
u_int __i; \
for (__i = 0; __i < ((fd_set FAR *)(set))->fd_count ; __i++) { \
if (((fd_set FAR *)(set))->fd_array[__i] == fd) { \
while (__i < ((fd_set FAR *)(set))->fd_count-1) { \
((fd_set FAR *)(set))->fd_array[__i] = \
((fd_set FAR *)(set))->fd_array[__i+1]; \
__i++; \
} \
((fd_set FAR *)(set))->fd_count--; \
break; \
} \
} \
} while(0)
#define FD_SET(fd, set) do { \
u_int __i; \
for (__i = 0; __i < ((fd_set FAR *)(set))->fd_count; __i++) { \
if (((fd_set FAR *)(set))->fd_array[__i] == (fd)) { \
break; \
} \
} \
if (__i == ((fd_set FAR *)(set))->fd_count) { \
if (((fd_set FAR *)(set))->fd_count < FD_SETSIZE) { \
((fd_set FAR *)(set))->fd_array[__i] = (fd); \
((fd_set FAR *)(set))->fd_count++; \
} \
} \
} while(0)
#define FD_ZERO(set) (((fd_set FAR *)(set))->fd_count=0)
#define FD_ISSET(fd, set) __WSAFDIsSet((SOCKET)(fd), (fd_set FAR *)(set))
/*
* Structure used in select() call, taken from the BSD file sys/time.h.
*/
struct timeval {
long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};
/*
* Operations on timevals.
*
* NB: timercmp does not work for >= or <=.
*/
#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
#define timercmp(tvp, uvp, cmp) \
((tvp)->tv_sec cmp (uvp)->tv_sec || \
(tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec)
#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
/*
* Commands for ioctlsocket(), taken from the BSD file fcntl.h.
*
*
* Ioctl's have the command encoded in the lower word,
* and the size of any in or out parameters in the upper
* word. The high 2 bits of the upper word are used
* to encode the in/out status of the parameter; for now
* we restrict parameters to at most 128 bytes.
*/
#define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
#define IOC_VOID 0x20000000 /* no parameters */
#define IOC_OUT 0x40000000 /* copy out parameters */
#define IOC_IN 0x80000000 /* copy in parameters */
#define IOC_INOUT (IOC_IN|IOC_OUT)
/* 0x20000000 distinguishes new &
old ioctl's */
#define _IO(x,y) (IOC_VOID|((x)<<8)|(y))
#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define FIONREAD _IOR('f', 127, u_long) /* get # bytes to read */
#define FIONBIO _IOW('f', 126, u_long) /* set/clear non-blocking i/o */
#define FIOASYNC _IOW('f', 125, u_long) /* set/clear async i/o */
/* Socket I/O Controls */
#define SIOCSHIWAT _IOW('s', 0, u_long) /* set high watermark */
#define SIOCGHIWAT _IOR('s', 1, u_long) /* get high watermark */
#define SIOCSLOWAT _IOW('s', 2, u_long) /* set low watermark */
#define SIOCGLOWAT _IOR('s', 3, u_long) /* get low watermark */
#define SIOCATMARK _IOR('s', 7, u_long) /* at oob mark? */
/*
* Structures returned by network data base library, taken from the
* BSD file netdb.h. All addresses are supplied in host order, and
* returned in network order (suitable for use in system calls).
*/
struct hostent {
char FAR * h_name; /* official name of host */
char FAR * FAR * h_aliases; /* alias list */
short h_addrtype; /* host address type */
short h_length; /* length of address */
char FAR * FAR * h_addr_list; /* list of addresses */
#define h_addr h_addr_list[0] /* address, for backward compat */
};
/*
* It is assumed here that a network number
* fits in 32 bits.
*/
struct netent {
char FAR * n_name; /* official name of net */
char FAR * FAR * n_aliases; /* alias list */
short n_addrtype; /* net address type */
u_long n_net; /* network # */
};
struct servent {
char FAR * s_name; /* official service name */
char FAR * FAR * s_aliases; /* alias list */
short s_port; /* port # */
char FAR * s_proto; /* protocol to use */
};
struct protoent {
char FAR * p_name; /* official protocol name */
char FAR * FAR * p_aliases; /* alias list */
short p_proto; /* protocol # */
};
/*
* Constants and structures defined by the internet system,
* Per RFC 790, September 1981, taken from the BSD file netinet/in.h.
*/
/*
* Protocols
*/
#define IPPROTO_IP 0 /* dummy for IP */
#define IPPROTO_ICMP 1 /* control message protocol */
#define IPPROTO_IGMP 2 /* internet group management protocol */
#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
#define IPPROTO_TCP 6 /* tcp */
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